try..catch 之后的命令不起作用

发布于 2024-10-20 02:54:03 字数 280 浏览 3 评论 0原文

我有一个带有 try..catch 的方法。结构是这样的：

try
{
 commands...

}
catch(...)
{
    ERROR(...);
}
if(m_pDoc->m_bS = FALSE ) // Check here if AutoLogout event occurred.
    StartCollect();
}

程序不会进入catch部分，但后面也不会进入if语句。可能是什么问题？为什么程序不执行if语句？

谢谢

原文

I have a method with try..catch.
the structure is like this:

try
{
 commands...

}
catch(...)
{
    ERROR(...);
}
if(m_pDoc->m_bS = FALSE ) // Check here if AutoLogout event occurred.
    StartCollect();
}

The program doesn't go into the catch section, but it also doesn't go into the if statement later.
What can be the problem? Why doesn't the program go to the if statement?

Thanks

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夏夜暖风 2024-10-27 02:54:03

您的 if 语句几乎肯定是错误的。您将 FALSE 分配给 bSilenClose，然后检查它 (false) 是否为 true，这将导致 if 的主体永远不会执行。在 C++ 中，相等性测试是 ==。此外，正如 @Martin York 指出的那样，尾随的 ; 将被视为 if 的主体。事实上，下面大括号中的代码应该每次都执行。

if(m_pDoc->m_bSilenClose = FALSE );
                         ^       ^^^^ This should not be there. (Empty statement after if)
                         ^
                         ^ Assigning FALSE (should be == to test)
                           Condition always FALSE (thus never executes empty statement.

Your if statement is almost certainly wrong. You're assigning FALSE to bSilenClose and then checking if it (false) is true, which will cause the body of your if to never execute. In C++ the test for equality is ==. Additionally as @Martin York points out, the trailing ; will be treated as the body of your if. The code below in braces should, in fact, execute every time.

if(m_pDoc->m_bSilenClose = FALSE );
                         ^       ^^^^ This should not be there. (Empty statement after if)
                         ^
                         ^ Assigning FALSE (should be == to test)
                           Condition always FALSE (thus never executes empty statement.

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